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CLEAR-LeWM v0.2.1: audited FAST and runtime modes

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@DavidSunok DavidSunok released this 21 Jul 12:46
v0.2.1
b4cc47e

This patch release makes performance behavior explicit, measurable, and auditable.

Highlights:

  • README FAST section with exact correctness fixes and measured speedups
  • 9.25x loader-only PushT throughput on the H20-3 node (4661 vs 504 samples/s)
  • Historical 1.8x end-to-end H200 training observation (11.0 vs 6.1 steps/s)
  • Safe FAST resume validation, batched source fetches, and vectorized memmap writes
  • Reproducible FAST audit and isolated benchmark script
  • Opt-in CEM environment batching with a canonical LeWM broadcast fix
  • H20-3e CEM sweep: batch 16 reduced solver time from 112.8s to 75.6s (1.49x)
  • Explicit warning that batched CEM changes random-sample assignment and must not replace batch-1 reference results
  • CPU thread and matmul precision controls with all runtime settings/timings recorded in result JSON
  • Structured benchmark records and a detailed PERFORMANCE.md audit

Validation:

  • 17 base tests passed; one PyTorch-only test skipped in the lightweight environment
  • 5/5 FAST and batched-criterion tests passed in the full LeWM/PyTorch environment
  • Ruff, formatting, privacy scan, JSON validation, and wheel build passed

The official v0.2.0 reference tables remain unchanged.

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